Job 41:21

His breath kindleth coals, and a flame goeth out of his mouth.

Cross-reference

Psalm 18:8 Parallel

Psalm 18:8 has glowing coals and fire from God's mouth, directly paralleling Leviathan's breath kindling coals.

In 2 Samuel 22:9, God's appearance includes fire from his mouth — the same imagery used here for Leviathan's breath.

In Isaiah 30:33, the breath of the LORD kindles Topheth — similar imagery of breath kindling fire.